US10953495B2 - Building platform for additive manufacturing, and method - Google Patents
Building platform for additive manufacturing, and method Download PDFInfo
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- US10953495B2 US10953495B2 US16/093,302 US201716093302A US10953495B2 US 10953495 B2 US10953495 B2 US 10953495B2 US 201716093302 A US201716093302 A US 201716093302A US 10953495 B2 US10953495 B2 US 10953495B2
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- building platform
- additive manufacturing
- surface region
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- manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
-
- B22F3/1055—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
- B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/245—Platforms or substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
-
- B22F2003/1056—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the present invention relates to a building platform for the additive manufacturing of a component, to a corresponding system for additive manufacturing and to the use of the building platform as a substrate for additive manufacturing. Furthermore, the present invention relates to a method for the additive manufacturing of the building platform.
- the component is advantageously provided for use in a turbomachine, advantageously a gas turbine.
- the component advantageously consists of a superalloy, in particular a nickel- or cobalt-based superalloy.
- the superalloy can be precipitation-hardened or precipitation-hardenable.
- the component can furthermore consist of or comprise a scaling-resistant and/or high-heat-resistant alloy.
- the component is advantageously used in a hot gas path or hot gas region of a turbomachine, such as a gas turbine.
- Generative or additive manufacturing methods comprise beam melting and/or beam welding methods, for example.
- the beam melting methods include, in particular, selective laser melting (SLM) or electron beam melting (EBM).
- the stated beam welding methods include, for example, electron beam welding or laser deposition welding (LMD), in particular laser powder deposition welding.
- Additive fabrication or manufacturing methods have proved to be particularly advantageous for complex components or ones of complicated or delicate design, for example labyrinth-type structures, cooling structures and/or lightweight structures.
- additive manufacturing is advantageous, in particular through a particularly short chain of process steps, since a step of manufacturing or fabricating a component can occur directly on the basis of a corresponding CAD file.
- additive fabrication is particularly advantageous for the development or production of prototypes which, for example for cost reasons, cannot be produced, or cannot be efficiently produced, by means of conventional subtractive or material-removing methods or casting technology.
- a penetration depth of a deposited welding trace can depend on the chemical and/or physical properties of the substrate material at the corresponding point.
- Substrates for the described additive manufacturing methods are usually produced by means of fine casting technology.
- the corresponding substrate materials advantageously likewise comprise high-temperature-resistant or high-heat-resistant materials, for example superalloys.
- the stated dependency of the deposition result on the substrate composition is particularly problematic in the processing of materials for turbine parts in which even very small traces or impurities can destroy the desired properties of the component to be additively manufactured or built up.
- even small quantities of oxygen or other elements which diffuse, for example, during the manufacture at an interface between the substrate and the component into said component, can prevent the formation of desired or required material phases, such as the ⁇ or ⁇ ′ phase of a nickel- or a cobalt-based superalloy.
- the stated variation in the composition of the substrate can be production-related, and thus uncontrollable.
- this constitutes a large hurdle which means an increased outlay on development and/or an increased cost and time expenditure, for example for finding parameters.
- a component platform which has, at least on a crucial surface region, a homogeneous composition with regard to its chemical and physical properties, with the result that, with the use of this component platform as a substrate, manufacturing results can be achieved in the additive manufacturing in a reproducible manner.
- One aspect of the present invention relates to a building platform for the additive manufacturing of a component, in particular from a superalloy, such as nickel- or cobalt-based, in particular high-heat-resistant alloy, for an application in a hot gas region of a gas turbine.
- the building platform has a surface region which is produced or built up or producible by an additive manufacturing method, wherein the additive manufacturing method is a beam melting or beam welding method.
- the additive manufacturing method can be a sintering method, for example selective laser sintering (SLS).
- the provision of the building platform by the stated additive manufacturing methods and/or the corresponding materials offer—for example by contrast to substrates conventionally produced by fine casting—the advantage of a particularly homogeneous material composition.
- the technology described means that it is possible for the surface of the substrate or the building platform to be built up almost completely as a single phase or without phase transitions. Consequently, the reproducibility of the manufacturing result is also improved by this “homogeneous substrate base”.
- a homogeneous substrate surface or platform surface leads to reproducible results in the melt or in the material trace deposited directly on the substrate by welding processes.
- composition advantageously designates the chemical and/or physical composition.
- the term “homogeneity” of the composition can be understood to mean that a corresponding material phase on a surface of the building platform which is advantageously formed by the surface region has only a single phase or is free of phase transitions which, for example by the fusion processes during the additive deposition of material on the substrate or the building platform, can also change the material structure deposited thereabove (see above).
- a further aspect of the present invention relates to a building platform, comprising the surface region which has, at least macroscopically, a chemically and/or physically homogeneous composition.
- a further aspect of the present invention relates to a building platform, comprising the surface region which is, at least macroscopically, single-phase.
- microscopic can mean in particular that a microscopic and/or mesoscopic homogeneity or “single-phase nature” does not also necessarily have to be present and, where appropriate, can even not be realized at all.
- the stated homogeneity or single-phase nature advantageously relates to regions in the surface of the building platform with (lateral) dimensions of for example 100 ⁇ m and more.
- macroscopic can further be understood to mean that the material composition varies for example only at a microscopic level, for example for dimensions of less than 100 ⁇ m, over the surface of the surface region.
- the material composition can—in order to be still homogeneous macroscopically—vary only over areas or dimensions which are no longer visible to the naked (human) eye.
- the additive manufacturing method is a method for laser or electron beam melting.
- the additive manufacturing method is a method for laser deposition welding, in particular for laser powder deposition welding.
- a method for the additive manufacturing of the component is a beam melting method, in particular selective laser melting. These methods are particularly expedient for the manufacture of turbine parts from high-performance materials according to a predetermined geometry.
- the method for the additive manufacturing of the component and the described additive manufacturing method for the building platform are identical.
- the use of the building platform as a substrate for the additive manufacturing of the component, wherein the building platform has been produced with the same method, is particularly advantageous since frequently similar or related material systems can be used by virtue of the methods of similar type, which systems lead to a particular reproducibility of the manufacturing result.
- the surface region consists of a superalloy, in particular a nickel- or a cobalt-based, precipitation-hardened or precipitation-hardenable superalloy or comprises said alloy.
- the surface region extends along a thickness of the building platform which is sufficient to ensure that variations in the material composition of the building platform below the surface region can no longer lead to changed properties of the component to be built up. This can in particular be the case since the described layer thickness or thickness can exceed a diffusion length of substances, which destroy the material properties of the component to be built up, in the substrate during the additive buildup.
- the surface region extends from a surface of the building platform to a thickness or depth of at least 500 ⁇ m, advantageously of at least 1 mm, into the building platform.
- these layer thicknesses for the surface region are advantageously sufficient in order to achieve manufacturing results with regard to the material composition that are reproducible for structures for the component that are to be built up on the surface, in particular are to be connected in an integrally bonded manner.
- the building platform is produced or built up completely by the described additive manufacturing method. This embodiment is particularly advantageous in order to equip the entire building platform with an advantageously homogeneous material composition.
- the surface region has, at least macroscopically, a chemically and/or physically homogeneous composition.
- the surface region is, at least macroscopically, single-phase or the surface region does not have any eutectoid regions or phase transitions.
- the surface region has a particle distribution with an average particle size of less than 300 ⁇ m. In particular, the surface region has a particle distribution with an average particle size of less than 100 ⁇ m.
- a relatively small particle distribution allows or advantageously gives rise to the desired homogeneity of the material composition or material properties of the surface region or of its surface.
- a further aspect of the present invention relates to a system for the additive manufacturing of a component, comprising the building platform described. Furthermore, the system expediently comprises a device for beam melting and/or beam welding, for example of a starting material for the component.
- a further aspect of the present invention relates to the use of the described building platform as a substrate for the additive manufacturing of the described component.
- At least a main and/or alloy constituent of a material of the surface region of the building platform corresponds with a main and/or alloy constituent of the component to be additively manufactured.
- a further aspect of the present invention relates to a method for the additive manufacturing of the described building platform for the additive manufacturing of a component (cf. above), wherein at least one surface region of the building platform is produced or can be produced by the beam melting or beam welding method (see above).
- Embodiments, features and/or advantages which in the present case relate to the building platform or the system can also relate to the method for additive manufacturing or to the use, or vice versa.
- FIG. 1 schematically shows a sectional or side view of a system for the additive manufacturing of a component.
- FIG. 2 shows a schematic plan view of a surface region of a building platform according to the invention.
- identical or identically acting elements can each be provided with the same reference signs.
- the elements illustrated and their mutual size ratios are fundamentally not to be considered as true to scale; rather, for better illustrability and/or for better understanding, individual elements may be illustrated as exaggeratedly thick or greatly dimensioned.
- FIG. 1 schematically shows a sectional or side view of a system 100 for the additive manufacturing of a component or workpiece 1 .
- the system 100 is advantageously a system for the additive manufacturing of the component 1 by a beam melting or beam welding method.
- a beam melting or beam welding method for the additive manufacturing of the component 1 by a beam melting or beam welding method.
- selective laser melting, selective laser sintering, electron beam melting, laser deposition welding, in particular laser powder deposition welding, or an electron beam welding method come mind for the stated additive methods.
- the deposition welding method used can also be the so-called “micro cladding” which can be especially configured for a resolution of correspondingly deposited structures of less than 100 ⁇ m.
- the component 1 can be a three-dimensional object which is produced or can be produced according to a predetermined or desired geometry and which, according to the additive manufacturing process, is built up by a plurality of individual layers, for example on the basis of a 3D-CAD file.
- An advantageous manufacturing method for the component 1 is selective laser melting.
- the component 1 can be a turbine component, for example a part consisting of a nickel- or cobalt-based superalloy, said part being used in the hot gas path of a gas turbine.
- the component 1 is shown as advantageously only partially and not completely produced, i.e. during its additive manufacturing.
- the system 100 comprises a building platform 2 which advantageously functions as a substrate for the additive buildup of the component 1 .
- the building platform 2 has a surface region 3 .
- the surface region 3 forms a surface 4 of the building platform 2 .
- the component 1 is expediently additively built up or manufactured on the surface 4 by the stated method.
- the surface region 3 advantageously has an extent or thickness D.
- the thickness D is advantageously at least 500 ⁇ m, particularly advantageously at least 1 mm or more.
- the surface region 3 can extend over the thickness of the building platform in such a way that it is thicker than a diffusion length for individual traces or elements in the building platform that can influence the material composition of the surface 4 of the surface region, in particular under the temperature conditions of the corresponding additive fabrication.
- the surface region 3 advantageously extends over the entire lateral extent of the building platform 2 .
- the surface region 3 is additively manufactured or built up or producible in particular by means of the described additive manufacturing method.
- a particularly homogeneous material composition of the building platform 2 or of the surface region 3 it is advantageously possible for a particularly homogeneous material composition of the building platform 2 or of the surface region 3 to be provided.
- the entire surface 4 as viewed at least macroscopically, can be completely homogeneous or single-phase with regard to its material composition (cf. FIG. 2 ).
- a particle distribution of the material of the surface region can be (macroscopically) homogeneous, wherein the particle distribution has an average particle size of advantageously less than 300 ⁇ m, particularly advantageously less than 100 ⁇ m.
- the stated material or surface homogeneity is advantageously inherent to the stated beam-based additive manufacturing methods, in particular additive manufacturing methods for the processing of high-performance materials for turbine blades (cf. FIG. 2 ). Consequently, the inventive advantages, in particular an improvement in the manufacturing result, can be achieved by virtue of the fact that the building platform according to the invention is used for the additive buildup of the component 1 .
- the building platform 2 can be able to be produced or can be produced completely by the above-described additive beam-based manufacturing method.
- the surface region 3 can extend over the entire thickness extent of the building platform 2 , for example along a buildup direction of the component (not explicitly identified).
- the building platform 2 for building up in layers is, following each applied powder layer (not explicitly shown), advantageously lowered by a corresponding device (indicated by dashed lines), specifically by an extent corresponding to the layer thickness of the layer for the component that is to be newly applied and/or to be fused.
- the beam device 6 can in particular be configured as a laser or electron beam device for deposition welding or selective laser or electron beam melting.
- a powder bed (not explicitly shown in the figures) is in particular scanned or followed by the beam device 6 .
- a corresponding energy beam is indicated by the dashed line.
- the building platform 2 is furthermore advantageously produced or can be produced by means of the above-described method in order to carry out the additive manufacturing of the component 1 , as described on material which is as identical as possible in type, with the result that particularly reproducible manufacturing results can be achieved for the component 1 .
- this particularly reproducible material buildup is achieved by the homogeneity of the described material properties, in particular the chemical and/or physical properties of the surface region 3 , in particular of its surface 4 .
- An alloy constituent advantageously a main constituent of the material of the surface region 3 and of the material of the component 1 , are advantageously identical or correspond.
- This embodiment can be achieved particularly expediently by virtue of the fact that in particular the method for the additive manufacturing of the component 1 and the additive manufacturing method by which the building platform is produced are likewise identical.
- FIG. 2 schematically shows a plan view of the surface 4 of the surface region 3 of the building platform 2 .
- the regular dotting of the surface 4 is intended to indicate that a material composition of the surface region 2 with regard to its physical and/or chemical properties is homogeneous, at least macroscopically, over the entire surface 4 (or at least distributed over large areas thereof) and advantageously has no phase transitions, but is single-phase.
- Such a homogeneous surface composition of the surface 4 or of the surface region 3 of the building platform 2 is not possible in particular by means of conventional methods, in particular customarily used fine casting technology. According to the invention, this embodiment, and thus also the inventive advantages, are achieved by the use of the described additive manufacturing methods, in particular selective laser melting or else by means of laser deposition welding.
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102016207893.3 | 2016-05-09 | ||
DE102016207893.3A DE102016207893A1 (en) | 2016-05-09 | 2016-05-09 | Construction platform for additive manufacturing and processes |
PCT/EP2017/059222 WO2017194275A1 (en) | 2016-05-09 | 2017-04-19 | Construction platform for additive manufacturing, and method |
Publications (2)
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US20190134749A1 US20190134749A1 (en) | 2019-05-09 |
US10953495B2 true US10953495B2 (en) | 2021-03-23 |
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US16/093,302 Active 2037-11-29 US10953495B2 (en) | 2016-05-09 | 2017-04-19 | Building platform for additive manufacturing, and method |
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US (1) | US10953495B2 (en) |
CN (1) | CN109153177A (en) |
DE (2) | DE102016207893A1 (en) |
WO (1) | WO2017194275A1 (en) |
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FR3081375B1 (en) * | 2018-05-25 | 2021-12-24 | Addup | METHOD FOR PREPARING THE UPPER SURFACE OF AN ADDITIVE MANUFACTURING TRAY BY POWDER BED DEPOSIT |
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2016
- 2016-05-09 DE DE102016207893.3A patent/DE102016207893A1/en not_active Ceased
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2017
- 2017-04-19 CN CN201780028815.2A patent/CN109153177A/en active Pending
- 2017-04-19 WO PCT/EP2017/059222 patent/WO2017194275A1/en active Application Filing
- 2017-04-19 US US16/093,302 patent/US10953495B2/en active Active
- 2017-04-19 DE DE112017002371.8T patent/DE112017002371A5/en active Pending
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DE112017002371A5 (en) | 2019-01-17 |
DE102016207893A1 (en) | 2017-11-09 |
US20190134749A1 (en) | 2019-05-09 |
CN109153177A (en) | 2019-01-04 |
WO2017194275A1 (en) | 2017-11-16 |
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